Best Histioteuthidae
The cock-eyed squid, formally known as Histioteuthis heteropsis, is a mesopelagic cephalopod found in the Pacific Ocean that exhibits dramatic ocular asymmetry. Its left eye is significantly enlarged, tubular, and directed upward to detect shadows of prey against the faint surface light. Conversely,...
Histioteuthis bonnellii, commonly known as the umbrella squid, is a species of deep-sea squid found in the Atlantic Ocean and the Mediterranean Sea. It belongs to the family Histioteuthidae and inhabits mesopelagic zones, typically at depths ranging from 200 to 1,000 meters. The species is easily id...
Histioteuthis arcturi is a species of squid in the family Histioteuthidae, commonly found in the deep waters of the Atlantic Ocean. Like other members of its family, often called jewel squids, it is distinguished by having noticeably asymmetric eyes, with the left eye being significantly larger than...
Histioteuthis bonnellii, known as Bonnell's cock-eyed squid, is a deep-sea squid of the family Histioteuthidae found in the Atlantic Ocean and Mediterranean Sea. Like other cock-eyed squids, it has strikingly asymmetric eyes, with the left eye much larger than the right, an adaptation associated wit...
Histioteuthis meleagroteuthis is a species of squid in the family Histioteuthidae, commonly referred to as jewel squids, found in deep Pacific and Atlantic waters. The species name references the spotted plumage of guinea fowls (genus Meleagris), reflecting the elaborate pattern of photophores cover...
Histioteuthid squid of the Indo-Pacific sharing the characteristic asymmetric eyes of its genus, known from specimens collected across tropical and subtropical oceanic waters.
Reversed cock-eyed squid of the Atlantic; a histioteuthid where the enlarged eye is on the right rather than the left, opposite to most other members of the genus Histioteuthis.
Cock-eyed squid of the eastern Pacific; a deep-sea histioteuthid important in sperm whale diets, notable for its markedly unequal eyes and dense ventral photophore arrays.
Crown cock-eyed squid of the Pacific and Indian Oceans; a deep-sea histioteuthid named for the crown-like photophore arrangement on its mantle and bearing the genus's asymmetric eyes.
A cock-eyed squid of the Atlantic and Indo-Pacific with two recognized subspecies; a deep-sea histioteuthid bearing the enlarged left eye and dense photophore covering typical of its genus.
Miranda's cock-eyed squid of the southern Atlantic and subantarctic waters; a deep-sea histioteuthid sharing the genus's characteristic markedly unequal paired eyes.
